Biographies

Mr. Alex Shumate is an Chairman of the board, Lead Independent Director of CyrusOne Inc. Mr. Shumate has served as the Managing Partner, North America, of Squire Patton Boggs (US) LLP, an international law firm, since 2009. Mr. Shumate joined Squire Patton Boggs in 1988 and served as the Managing Partner of its Columbus, Ohio office from 1991 to 2009. Mr. Shumate is also Chairman of the Board of Trustees of The Ohio State University, where he is serving his third term as a trustee, and a director of The J.M. Smucker Company. He previously served as a director of the Wm. Wrigley Jr. Company from 1998 until its acquisition in 2008, of Nationwide Financial Services from 2002 until its acquisition in 2009, and of Cincinnati Bell from 2005 to January 2013. Prior to joining Squire Patton Boggs, Mr. Shumate served as chief counsel and deputy chief of staff to the Governor of the State of Ohio and as assistant attorney general, State of Ohio.

Mr. Gary J. Wojtaszek is a President, Chief Executive Officer, Director of CyrusOne Inc. He was appointed to the Board of Directors of Cincinnati Bell Inc. ("CBI") on July 29, 2011 and was named President of CyrusOne effective August 5, 2011. Upon consummation of our initial public offering, Mr. Wojtaszek resigned as a member of the Board of Directors of CBI. Prior to becoming the President of CyrusOne in August 2011, Mr. Wojtaszek served as Chief Financial Officer of CBI beginning July 2008 and as Senior Vice President, Treasurer and Chief Accounting Officer for the Laureate Education Corporation in Baltimore, Maryland from 2006 to 2008. Prior to that, Mr. Wojtaszek worked from 2001 to 2008 at Agere Systems, the semiconductor and optical electronics communications division of Lucent Technologies, which was subsequently spun-off through an initial public offering. While at Agere Systems, Mr. Wojtaszek worked in a number of finance positions, ultimately serving as the Vice President of Corporate Finance, overseeing all Controllership, Tax and Treasury functions. Mr. Wojtaszek started his career in General Motors Company's New York treasury group and joined Delphi Automotive Systems as the regional European treasurer in connection with the initial public offering and spin-off of Delphi Automotive Systems from General Motors.

Ms. Diane M. Morefield, CPA, has been appointed as Chief Financial Officer, Executive Vice President of the Company. Diane M. Morefield is a Executive Vice President and Chief Financial Officer since November 2016. Prior to joining CyrusOne, from 2010 until 2015, she served as the Executive Vice President and Chief Financial Officer of Strategic Hotels & Resorts, a NYSE listed REIT, where she was responsible for the Company's accounting, finance, capital markets, tax, investor relations and IT. She was also a member of the Company's Executive Management Committee that oversaw the strategy and investment activity for the company. Prior to joining Strategic Hotels, Ms. Morefield served in a variety of financial, operating and investor relations roles for leading real estate organizations. From 2007 to 2009, she was the Chief Financial Officer of Equity International, a private equity firm controlled by Sam Zell, which invests in international real estate companies. From 1997 to 2006, Ms. Morefield was a senior officer with Equity Office Properties Trust, a publicly traded REIT, where she served as Regional Senior Vice President for EOP's Midwest region. Previously, Ms. Morefield was Senior Vice President—Investor Relations at EOP, and was responsible for all investor and public relations. Ms. Morefield earned a BS in accountancy from the University of Illinois and a MBA from the University of Chicago. She is a CPA. Ms. Morefield is on the Board of Directors for Spirit Realty Capital, where she also serves as the Audit Committee Chair. Spirit Realty is a triple-net lease REIT.

Mr. Robert M. Jackson is Executive Vice President, General Counsel, Secretary of CyrusOne Inc. Prior to joining CyrusOne, he served as Executive Vice President and Chief Administrative Officer of Storage Post, a privately held owner and operator of self-storage facilities, headquartered in Atlanta, Georgia, from April 2014 to July 2015. Prior to that, from December 2004 to September 2012, Mr. Jackson was Senior Vice President, General Counsel and Corporate Secretary of Cousins Properties Incorporated. He was previously a partner at Troutman Sanders LLP, an international law firm headquartered in Atlanta, Georgia.

Mr. Mark E. Skomal is Senior Vice President, Chief Accounting Officer of the Company. Previously, Mr. Skomal was the Senior Vice President, Chief Accounting Officer and Controller for DCT Industrial Trust, Inc. ("DCT"), since 2007. In his role at DCT, he was responsible for accounting, financial reporting, tax, shared services, budgeting, audit, and forecasting. In addition, he has also been involved in capital raising, private debt, and credit facility placements. Prior to joining DCT, Mr. Skomal served as Vice President of Finance at AIMCO (NYSE: AIV), a multifamily REIT.

Mr. Kevin L. Timmons is a Chief Technology Officer of CyrusOne Inc. Prior to joining CyrusOne, he led Microsoft's global data center team as General Manager, Data Center Services from 2009 to 2011. Prior to that, Mr. Timmons held several positions between 1999 and 2009 within the operations team at Yahoo! Inc. Mr. Timmons originally joined Yahoo! via the GeoCities acquisition in 1999 as Director of Operations. He was then promoted to Senior Director in 2000, and assumed the role of Vice President, Operations in 2006.

Mr. Venkatesh S. Durvasula is a Chief Commercial Officer of CyrusOne Inc. Prior to joining CyrusOne, Mr. Durvasula served as the Chief Marketing and Business Officer of Quality Technology Services ("QTS") from March 2010 through April 2012. Prior to QTS, he was a co-founder and Chief Operating Officer of NYC-Connect, a privately-held interconnection business that was sold to Digital Realty Trust, Inc. and Telx in 2007. Following that sale, Mr. Durvasula served as the Chief Marketing Officer at Telx until August 2009. Prior to NYC-Connect, Mr. Durvasula served as Vice President of Sales at AboveNet, Inc.

Mr. David H. Ferdman is an Independent Director of CyrusOne Inc. Mr. Ferdman was the founder of Cyrus Networks, where he served as President and Chief Executive Officer from 2000 until its acquisition by CBI in June 2010. Mr. Ferdman served as the President of Cyrus Networks until August 2011 and served as the Chief Strategy Officer of CyrusOne, LLC ("Cyrus Networks") until January 2013. Upon consummation of our initial public offering, Mr. Ferdman resigned from his employment with the Company. Prior to founding Cyrus Networks, Mr. Ferdman was the Chief Operating Officer and co-founder of UWI Association Programs (d/b/a Eclipse Telecommunications), a facilities-based telecommunications service provider ("UWI"). As Chief Operating Officer of UWI, Mr. Ferdman was instrumental in the company's rapid growth, which culminated in its acquisition by IXC Communications (now part of Level 3 Communications Inc.) in 1998. Mr. Ferdman is also a director of Circuit of the Americas, and Quality Uptime Services.

Mr. John W. Gamble Jr. is an Independent Director of Cyrusone Inc. He is currently Corporate Vice President and Chief Financial Officer of Equifax Inc., where he is responsible for corporate finance, accounting, treasury, tax, internal audit and investor relations. From September 2005 to May 2014, Mr. Gamble was Executive Vice President and Chief Financial Officer for Lexmark International, Inc. In addition to corporate finance functions, he was responsible for Lexmark's investor relations, information technology, strategy and development, and internal audit and security functions. Prior to joining Lexmark, he was executive vice president and chief financial officer of Agere Systems, Inc. Mr. Gamble also served in finance leadership roles with AlliedSignal, Inc., and then Honeywell International, Inc., following the merger of the two entities. Earlier, Mr. Gamble served in a variety of finance capacities with General Motors. He began his career as an electrical engineer with Bethlehem Steel Corporation.

Mr. Michael A. Klayko is an Independent Director of Cyrusone Inc. Mr. Klayko has been Chief Executive Officer of MKA Capital, an investment company focusing on technology investments, since January 2013. From January 2005 until January 2013, Mr. Klayko served as Chief Executive Officer and served on the board of directors of Brocade Communications Systems, Inc., a comprehensive network solutions provider ("Brocade"). Previously, Mr. Klayko was Vice President of Worldwide Sales at Brocade and also served as its Vice President of Marketing and Support and Vice President of OEM Sales. Additionally, Mr. Klayko has held management positions at Rhapsody Networks, McDATA, EMC, Hewlett-Packard Company and IBM. Mr. Klayko serves on the board of directors of Allscripts Healthcare Solutions, Inc., a healthcare information technology provider, and previously served on the board of directors of Brocade Communications Systems, Inc. (2005 through 2013), PMC-Sierra, Inc. (2012 through January 2016) and Bally Technologies (2014).

Mr. T.Tod Nielsen is an Independent Director of CyrusOne Inc. Mr. Nielsen has served as the President and Chief Executive Officer and a member of the board of directors of FinancialForce, a private cloud ERP vendor, since January 2017. Mr. Nielsen served as Chief Executive Officer of Heroku, a cloud application development company that was acquired by Salesforce in 2011, and as Executive Vice President of Platform at Salesforce from June 2013 to June 2016. Prior to that, Mr. Nielsen was Co-President, Applications Platform Group at VMware, Inc. Mr. Nielsen served as VMware's Chief Operating Officer from January 2009 to January 2011. Prior to that, he served as President and Chief Executive Officer of Borland Software Corporation from November 2005 to December 2008. From June 2005 to November 2005, Mr. Nielsen served as Senior Vice President, Marketing and Global Sales Support for Oracle Corporation, an enterprise software company. From August 2001 to August 2004, he served in various positions at BEA Systems, Inc., a provider of application infrastructure software, including Chief Marketing Officer and Executive Vice President, Engineering. Mr. Nielsen also spent 12 years with Microsoft Corporation in various roles, including General Manager of Database and Developer Tools, Vice President of Developer Tools, and at the time of his departure, Vice President of Microsoft's platform group. Mr. Nielsen is a current director of BTI Systems, and former director of MyEdu Corp., Fortify Software and Club Holdings, LLC.

Mr. William E. Sullivan is an Independent Director of CyrusOne Inc. Mr. Sullivan has served as the Chief Financial Officer and Treasurer for Purdue University in Indiana since June 2014. Mr. Sullivan served as the Chief Financial Officer of ProLogis Inc., a REIT operating as an owner, manager and developer of distribution facilities, from March 2007 to May 2012. Prior to joining ProLogis, Mr. Sullivan was the founder and President of Greenwood Advisors, Inc., a private financial consulting and advisory firm, from 2005 to 2007. Prior to that, Mr. Sullivan served as the Chairman (2001 to 2007) and Chief Executive Officer (2001 to 2005) of SiteStuff, Inc., a procurement solutions company specializing in real estate property and facility management. Mr. Sullivan worked for Jones Lang LaSalle, and its predecessor, LaSalle Partners, in a variety of positions from 1984 to 2001, including as Chief Financial Officer from 1997 to 2001 and as a member of the Board of Directors from 1997 to 1999. Prior to joining Jones Lang LaSalle, he was a member of the Communications Lending Group of the First National Bank of Chicago and also served as a member of the tax division of Ernst & Ernst LLP, a predecessor to Ernst & Young LLP. Mr. Sullivan has also served as a director and audit committee chairman of Jones Lang LaSalle Income Property Trust, Inc. since September 2012 and as a director of Club Corp. since August 2013.

Ms. Lynn A. Wentworth is an Independent Director of Cyrusone Inc. Ms. Wentworth served as Senior Vice President, Chief Financial Officer and Treasurer of BlueLinx Holdings Inc. (a building products distributor) from 2007 until her retirement in 2008. Prior to joining BlueLinx, she served as Vice President and Chief Financial Officer for BellSouth Corporation's Communications Group and held various other positions at BellSouth from 1985 to 2007. She began her career at Coopers & Lybrand, where she served in both the audit and tax divisions. She is a certified public accountant licensed in the state of Georgia. She is a director and chair of the Audit and Finance Committee of Cincinnati Bell and is also a director and chair of the Audit Committee of Graphic Packaging Holding Company.

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